135002123 has 2 divisors, whose sum is σ = 135002124. Its totient is φ = 135002122.

The previous prime is 135002113. The next prime is 135002137. The reversal of 135002123 is 321200531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135002123 - 2²² = 130807819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (135002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67501061 + 67501062.

It is an arithmetic number, because the mean of its divisors is an integer number (67501062).

Almost surely, 2^135002123 is an apocalyptic number.

135002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

135002123 is an equidigital number, since it uses as much as digits as its factorization.

135002123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 135002123 is about 11619.0413976369. The cubic root of 135002123 is about 512.9954730844.

Adding to 135002123 its reverse (321200531), we get a palindrome (456202654).

The spelling of 135002123 in words is "one hundred thirty-five million, two thousand, one hundred twenty-three".